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Get complete, unbiased, scientific information on GREEN TEA, including Safety Ratings,
Effectiveness Ratings, Interaction Ratings, Lists of Ingredients and Adverse
Reactions... all from Natural Medicines Comprehensive Database
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Full MonographInteractions with DrugsAlso Known As
SafetyInteractions with HerbsPeople Use This For
EffectivenessInteractions with FoodEditor's Comments
Adverse ReactionsInteractions with Lab TestsReferences
Dosage/AdministrationInteractions with Diseases
Mechanism of Action
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 Natural Medicines Comprehensive DatabaseView 3767 Products Containing: GREEN TEA
View 384 Canadian Licensed Products Containing: GREEN TEA

Also Known As:

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Benifuuki, Constituant Polyphénolique de Thé Vert, CPTV, EGCG, Epigallo Catechin Gallate, Épigallo-Catéchine Gallate, Epigallocatechin Gallate, Extrait de Thé Vert, Extrait de Camellia Sinensis, Extrait de Thé, Extrait de Thea Sinensis, Green Sencha Tea, Green Tea Extract, Green Tea Polyphenolic Fraction, GTP, GTPF, Japanese Sencha Green Tea, Japanese Tea, Kunecatechins, Poly E, Polyphenon E, PTV, Té Verde, Tea Extract, Tea Green, Tea, Thé, Thé de Camillia, Thé Japonais, Thé Vert de Yame, Thé Vert, Thé Vert Sensha, Yabukita, Yame Green Tea, Yame Tea.
CAUTION: See separate listings for Black Tea, Caffeine, Cocoa, Coffee, Cola Nut, Guarana, Oolong Tea, and Mate.

Scientific Name:

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Camellia sinensis, synonyms Camellia thea, Camellia theifera, Thea bohea, Thea sinensis, Thea viridis.
Family: Theaceae.

People Use This For:

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Natural medicines are often tried for many conditions based on tradition, anecdotes, or
marketing, but not all of these uses are supported by reliable or credible scientific
research. Below is a list of some common uses for GREEN TEA.
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Orally, green tea is used to improve cognitive performance and mental alertness. It is also used to treat stomach disorders, vomiting, diarrhea, and headaches. Green tea is also used for depression, non-alcoholic fatty liver disease (NAFLD), ulcerative colitis, weight loss, osteoporosis, breast cancer, cervical cancer, prostate cancer, colon cancer, gastric cancer, liver cancer, lung cancer, leukemia, and skin cancer related to ultraviolet (UV) radiation (e.g., sunburn) and other environmental causes. It is also used for human papilloma virus (HPV), genital warts, perianal warts, cervical dysplasia, Crohn's disease, Parkinson's disease, cardiovascular disease, diabetes, hypotension, chronic fatigue syndrome (CFS), dental caries, kidney stones, and skin damage.
Gargling with green tea is used for the prevention of colds and flu. Green tea extract is used in a mouthwash for postoperative pain associated with tooth extraction. Topically, green tea bags are used as a wash to soothe sunburn, as a poultice for bags under the eyes, as a compress for headache or tired eyes, and to stop the bleeding of tooth sockets. Green tea in chewable candy is used for gingivitis. Green tea is also used topically to prevent skin damage and cancer related to ultraviolet (UV) radiation (e.g., sunburn) and other environmental causes. A green tea footbath is used for athlete's foot.
In foods, green tea is consumed as a beverage.

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Get reliable information about potential safety concerns from scientific Safety Rating. See if there are warnings against use during Pregnancy, Breast Feeding, or for Children.


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Get scientific Effectiveness Rating and see if GREEN TEA works before selecting it.

Mechanism of Action:

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Research the pharmacology, active constituents, and a clear scientific explanation about how the natural medicine is thought to work for its medicinal uses.

Adverse Reactions:

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Get detailed information on common side effects and potentially serious adverse reaction. Find out what to expect if you select this natural product.

Interactions with Herbs & Supplements:

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Find out if GREEN TEA is safe to take with other natural medicines or supplements or if there are potential interactions.

Interactions with Drugs:

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Find out what medications GREEN TEA interacts with and if the interactions are mild or potentially dangerous.

Interactions with Foods:

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Find out if particular foods should be avoided with GREEN TEA, Ginkgo, or if certain foods can negatively affect the product.

Interactions with Lab Tests:

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Find out if GREEN TEA interferes with laboratory tests or could cause a diagnostic test to fail or be inaccurate.

Interactions with Diseases or Conditions:

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Find out if GREEN TEA interferes with or could worsen any medical condition or if there are any precautions or contraindications.


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Get reliable information on the best dose to use based on scientific research. Products only work if taken in the correct dose. Taking a dose that is too high can increase the chance of side effects and adverse outcomes.

Editor's Comments:

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